Home / 1,127,733.49-1,691,338.37-672,451.82

Finding the Fourth Proportional to 1,127,733.49, 1,691,338.37 and 672,451.82

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Solution

The fourth proportional to 1,127,733.49, 1,691,338.37 and 672,451.82 is: 1,008,521.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,733.49 : 1,691,338.37 = 672,451.82 : x
  2. Step 2: Convert to fraction form
    1,127,733.49/1,691,338.37 = 672,451.82/x
  3. Step 3: Cross multiply
    1,127,733.49x = 1,691,338.37 × 672,451.82
  4. Step 4: Simplify right side
    1,127,733.49x = 1,137,343,572,962.22
  5. Step 5: Solve for x
    x = 1,137,343,572,962.22/1,127,733.49
  6. Step 6: Final answer
    x = 1,008,521.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.